3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $date = new DateTime(); echo $date->modify('+4 years')->modify('00:00a first day of next month')->format('Y-m-d h:i:s');
based on hLmpW
Output for 5.3.22 - 5.3.26, 5.3.28 - 5.4.45, 5.6.28, 7.0.20 - 7.2.0
2020-02-01 12:00:00
Output for 5.5.24, 5.5.35, 5.6.21, 7.0.6
2020-06-01 12:00:00
Output for 5.5.25 - 5.5.30, 5.5.34, 5.6.8 - 5.6.14, 5.6.20, 7.0.5
2020-05-01 12:00:00
Output for 5.5.31 - 5.5.33, 5.6.15 - 5.6.19, 7.0.0 - 7.0.4
2020-04-01 12:00:00
Output for 5.3.27

Process exited with code 137.